ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.4 > S56.42 > S56.429 S56.429 Laceration of extensor muscle, fascia and tendon of unspecified finger at forearm level Non-Billable/Non-Specific Codes S56.429A..., initial encounterS56.429D..., subsequent encounterS56.429S..., sequela